Knoxville Weather Forecast

    • 72
    • 91

    Partly Sunny

    • 72
    • 92

    Slight Chance Thunderstorms

    • 67
    • 88

    Chance Thunderstorms

    • 60
    • 80

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

    • 63
    • 84

    Mostly Sunny

Today 17 Aug Knox

Mostly sunny. Humid with Highs in the lower 90s. South Winds around 5 Mph, becoming southeast around 5 Mph in the afternoon. Heat index Values up to 106.

Tonight 17 Aug Knox

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

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Knoxville Temperature Statistics

August Temperature

Galesburg Municipal Airport (7.5 miles)

  • Lowest 1 August, 2025

    53.6 °F
  • Average August

    72.6 °F
  • Highest 8 August, 2025

    87.4 °F

Climate (2020–Present)

Galesburg Municipal Airport (7.5 miles)

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  • Average Low 2020–2025

    41.2 °F
  • Average 2020–2025

    51.3 °F
  • Average High 2020–2025

    61.5 °F
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